Question

1)Three characteristics points on atoms.
2) 3 characteristics of molecules.

Answer 1

Answer:

electron proton neutron

Answer 2

Answer:

Characteristics of atom-

1)Atoms are the smallest fraction of an element that can exist, and still show the characteristics of the element.

2)Atoms themselves are composed essentially of electrons

3)Atoms consist of three basic particles: protons, electrons, and neutrons.

Characteristics of molecules-

1)All molecules have a definite mass and size that are dependent on the atoms from which the molecule is made.

2)The mass is equal to the sum of the masses of all the individual atoms in the molecular structure.

3)A molecule is an electrically neutral group of two or more atoms held together by chemical bonds

Explanation:

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